US PATENT SUBCLASS 16 / 255
.~.~ Resiliently biased hinge

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

221  DF  HINGE {32}
254  DF  .~ Having means to facilitate assembly and disassembly of hinge sections to join or disjoin hinged members {5}
255.~.~ Resiliently biased hinge {1}
256  DF  .~.~.~> Having helical spring along hinge axis

DEFINITION

Classification: 16/255

Resiliently biased hinge:

(under subclass 254) Hinge further comprising an element which when deformed elastically exerts a force upon one of the hinged members* tending to swing the member about the hinge axis.